32 CFR 842.58 - Filing a claim.
(a) How and when filed. A claim is filed when a federal agency receives from a claimant or authorized agent a properly completed SF 95 or other signed and written demand for money damages in a sum certain. A claim belonging to another agency is promptly transferred to the appropriate agency.
(b) Amending a claim. A claimant may amend a claim at any time prior to final action. An amendment must be in writing and signed by the claimant or authorized agent.